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-rw-r--r--contrib/libgmp/stack-alloc.h56
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diff --git a/contrib/libgmp/stack-alloc.h b/contrib/libgmp/stack-alloc.h
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+++ b/contrib/libgmp/stack-alloc.h
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+/* Stack allocation routines. This is intended for machines without support
+ for the `alloca' function.
+
+Copyright (C) 1996 Free Software Foundation, Inc.
+
+This file is part of the GNU MP Library.
+
+The GNU MP Library is free software; you can redistribute it and/or modify
+it under the terms of the GNU Library General Public License as published by
+the Free Software Foundation; either version 2 of the License, or (at your
+option) any later version.
+
+The GNU MP Library is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
+License for more details.
+
+You should have received a copy of the GNU Library General Public License
+along with the GNU MP Library; see the file COPYING.LIB. If not, write to
+the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+MA 02111-1307, USA. */
+
+struct tmp_stack
+{
+ void *end;
+ void *alloc_point;
+ struct tmp_stack *prev;
+};
+
+struct tmp_marker
+{
+ struct tmp_stack *which_chunk;
+ void *alloc_point;
+};
+
+typedef struct tmp_marker tmp_marker;
+
+#if __STDC__
+void *__tmp_alloc (unsigned long);
+void __tmp_mark (tmp_marker *);
+void __tmp_free (tmp_marker *);
+#else
+void *__tmp_alloc ();
+void __tmp_mark ();
+void __tmp_free ();
+#endif
+
+#ifndef __TMP_ALIGN
+#define __TMP_ALIGN 8
+#endif
+
+#define TMP_DECL(marker) tmp_marker marker
+#define TMP_ALLOC(size) \
+ __tmp_alloc (((unsigned long) (size) + __TMP_ALIGN - 1) & -__TMP_ALIGN)
+#define TMP_MARK(marker) __tmp_mark (&marker)
+#define TMP_FREE(marker) __tmp_free (&marker)
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